Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution...

DBMS_OUTPUT.PUT_LINE not printing

When executing the following code, it just says the procedure is completed and doesn't print the infomation i want it to (firstName, lastName) and then the other values from the select query in a...

ASIFormDataRequest

I user { ASIFormDataRequest *rq = [ASIFormDataRequest requestWithURL:url]; [rq setDelegate:self]; [rq startAsynchronous]; } but it can't access requestFinished or requestFailed function; why?

How to use named parameter in plain sql with jooq

I'm using JOOQ with plain/raw SQL, so that means i'm not using any code generation or the fluid DSL thingy. The following code works: Connection connection = ...; DSLContext context =...

Get Device id using ipmitool failed

I'm executing below command for getting Device ID from BMC but I got error Unable to send RAW command (channel=0x0 netfn=0x6 lun=0x0 cmd=0x1) ipmitool -I lanplus -H 192.168.0.147 -U root -P root...

Why do SqS messages sometimes remain in-flight on queue

I'm using Amazon SQS queues in a very simple way. Usually, messages are written and immediately visible and read. Occasionally, a message is written, and remains In-Flight(Not Visible) on the...

Setting request parts in spring test mvc

I'm trying to test (through Spring test (mvc)) a controller that uses servletRequest.getParts() All I've read so far is that MockMvcRequestBuilders.fileUpload().file() is the solution. However I...

generate an Excel file using PHP

I'm new with PHP, I'm developping a WEB application that display a table with informations from an SQL server DATA BASE, the problem that I want to add a button to generate an EXCEL file that...

Sleuth Header X-B3-TraceId value get Regenerated even if passed to the Service Request as Header In Bluemix

I would like my service consumers pass the TraceId as Header Param with name X-B3-TraceId and valid 128 bits Hex String that shall get propagated in further path down the line and indeed service...

How to convert 2D array to 1D array in Fortran code?

How do I convert r(i,j) to a 1D array so that I can sort the number easily? program sort implicit none character CN*8,O*7 integer j,iconf,nconf integer i,nbins,t integer...

seve picture 'data:image/jpeg;base64' with python

How i can save or download this picture with...

redis.exceptions.DataError: Invalid input of type: 'NoneType'. Convert to a byte, string or number first

I've recently started to use Redis and RQ to run background processes. I built a Dash app which works fine on Heroku and used to work locally as well. Recently, I tried to test the same app...

How to scrape images from DuckDuckGo's image search results in Python

I'm creating an application with python that's going to show images scraped from DuckDuckGo's image search results. So I need to get a list of links to the images based on the search. The problem...

How to make a SIP call through nodejs

I'm trying yo make automated calls to my customers, I already have my freepbx setup and working, now I want to be able to fire some nodejs code to make the call, get the audio stream and pass it...

Python Redis Queue

I would like to implement a queue in redis + Flask and Python. I already implemented a query like this with RQ and it works fine if you have the Flask app and the task working on the same server....

TypeError: cannot pickle '_thread.lock' object with RQ

I am using RQ with flask for queuing jobs in loop. I have the following code : from rq import Queue from rq.job import Job from worker import conn q = Queue(connection=conn) for i in range(5): ...

Do Periodic & Repeated Jobs keep the same Job ID when repeated? Redis RQ-Scheduler

Let's say I had a job which is scheduled to run every 3 hours. job = scheduler.schedule( scheduled_time=datetime.utcnow(), func=func, interval=10800, repeat=None ) jobID =...

How to inject dynamic id for Pact test from provider to consumer using REST Assured

I need to check an api of the type /meeting/id using Pact tests and REST Assured. The id may change and I'd like to create an item before the test and inject their id to overwrite what is set as...

Job is visible only from redis cli but not showing in rq dashboard and not executed

I want to build a pipeline using Redis and RQ. I created a worker, server and a job, the worker is running and listening to queue, the server is dispatching a job to a queue, the job is dispatched...

Python beatuifulsoup: extract value from div class

I want to build a program that automatically gets the live price of the german index (DAX). Therefore i use a website with the price provider FXCM. In my code i use beautifulsoup and requests as...

'Request.RequestURI can't be set in client request' error when resend it through proxy

When I try to resend request resend request through simple proxy(proxy code) http.HandleFunc("/",func(w http.ResponseWriter, r *http.Request) { log.Printf("proxy rq: %v", r) client :=...

rq/Redis: remove second `failed` queue

I'm using rq with the one queue and a single worker that I run by calling rq worker -c rq_settings. rq info reports that there is 1 worker and 2 queues. However, rq-dashboard lists 3 queues:...

How to enqueue a function with an argument with Redis Queue?

I want to enqueue a function to run on background (using Redis Queue) and send a message to the client once the function is done, so I use Flask SocketIO using send(msg) after background task is...

Unable to start Redis Queue (RQ) worker in Python

I installed Python Redis Queue module using pip install rq When I try to start the worker using rq or rq worker, it is throwing an error. PYTHONPATH=src REDIS_HOST=localhost rq worker...

Python Print without \n

I want to print code without \n on the result. This is my code print( __import__("zlib").decompress( __import__("base64").a85decode( ...

Number of restricted arrangements

I am looking for a faster way to solve this problem: Let's suppose we have n boxes and n marbles (each of them has a different kind). Every box can contain only some kinds of marbles (It is shown...

Hide checkout fields when selecting multiple delivery methods in WooCommerce

I use code that hides the checkout fields if the Local Pickup shipping method is selected: // Conditional Show hide checkout fields based on chosen shipping methods add_action( 'wp_footer',...

ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:997)

I was playing with some web frameworks for Python, when I tried to use the framework aiohhtp with this code (taken from the documentation): import aiohttp import...

How to take into account extra variance induced by bootstrapping multiply imputed data in R?

I am trying to manually pool results from quantile regression models run on multiply imputed data in R using mice. I make use of a bootstrapping procedure to get 95% CIs and P values of the model...

Handle redis connection reset

We are facing [Errno 54] Connection reset by peer at very random in our application and looks like it is being triggered by redis server than client. Python's redis client have backoff strategy...